Lifco. (1969). Lifco wages and salaries ready reckoner (5.).
Chicago Style aipamenaLifco. Lifco Wages and Salaries Ready Reckoner. 5. Little Flower Co., Madres, 1969.
MLA aipamenaLifco. Lifco Wages and Salaries Ready Reckoner. 5. 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.